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103061555020 = 225167109128283
BaseRepresentation
bin101111111111011110…
…0101000011101001100
3100212000112111110012101
41133332330220131030
53142032224230040
6115202410444444
710305650522614
oct1377674503514
9325015443171
10103061555020
113a787619766
1217b83133724
139945b96968
144db98cba44
152a32ddc09a
hex17fef2874c

103061555020 has 48 divisors (see below), whose sum is σ = 217932519168. Its totient is φ = 40938760640.

The previous prime is 103061554997. The next prime is 103061555027. The reversal of 103061555020 is 20555160301.

It is a self number, because there is not a number n which added to its sum of digits gives 103061555020.

It is not an unprimeable number, because it can be changed into a prime (103061555027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3629799 + ... + 3658081.

It is an arithmetic number, because the mean of its divisors is an integer number (4540260816).

Almost surely, 2103061555020 is an apocalyptic number.

103061555020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103061555020 is an abundant number, since it is smaller than the sum of its proper divisors (114870964148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103061555020 is a wasteful number, since it uses less digits than its factorization.

103061555020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29550 (or 29548 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 103061555020 in words is "one hundred three billion, sixty-one million, five hundred fifty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1091 1670 2182 3340 4364 5455 10910 21820 28283 56566 113132 141415 182197 282830 364394 565660 728788 910985 1821970 3643940 4723261 9446522 18893044 23616305 30856753 47232610 61713506 94465220 123427012 154283765 308567530 617135060 5153077751 10306155502 20612311004 25765388755 51530777510 103061555020